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Finding the Fourth Proportional to 777,509.22, 1,162,003.94 and 567,589.22

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Solution

The fourth proportional to 777,509.22, 1,162,003.94 and 567,589.22 is: 848,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,509.22 : 1,162,003.94 = 567,589.22 : x
  2. Step 2: Convert to fraction form
    777,509.22/1,162,003.94 = 567,589.22/x
  3. Step 3: Cross multiply
    777,509.22x = 1,162,003.94 × 567,589.22
  4. Step 4: Simplify right side
    777,509.22x = 659,540,909,941.53
  5. Step 5: Solve for x
    x = 659,540,909,941.53/777,509.22
  6. Step 6: Final answer
    x = 848,274.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.